Nova Premier 1.0 vs Grok 4.1 Fast: side-by-side summary

Nova Premier 1.0 and Grok 4.1 Fast are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Nova Premier 1.0, from Amazon, has a 1,000,000-token context window and is priced at $2.50/M tokens input, $12.50/M tokens output on OpenRouter.

Grok 4.1 Fast, from SpaceXAI, has a 2,000,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• Nova Premier 1.0: 1,000,000 tokens
• Grok 4.1 Fast: 2,000,000 tokens

Price

• Nova Premier 1.0: $2.50/M tokens input, $12.50/M tokens output
• Grok 4.1 Fast: Pricing varies by provider

Provided by

• Nova Premier 1.0: Amazon
• Grok 4.1 Fast: SpaceXAI

• Nova Premier 1.0 model details, providers and pricing
• Grok 4.1 Fast model details, providers and pricing